How-To Geek on MSN

How to Crop Pictures in Microsoft Word, Excel, and PowerPoint

To manually crop a picture in Microsoft Word, Excel, or PowerPoint, select it, and in the Picture Format tab on the ribbon, click the top half of the split "Crop" button.
IEEE

Bitstream-Based JPEG Image Encryption with File-Size Preserving

Abstract: An encryption scheme of JPEG images in the bitstream domain is proposed. The proposed scheme preserves the JPEG format even after encrypting the images, and the file size of encrypted images ...